4Pcs 4 Wheel Trolley Assembly Rollers Four Bearing Trolley Assembly for 1-5/8" Wide and All 1-5/8" or Taller Strut Channel

• Heavy-Duty BuildTwo Bearing Trolley Assembly Made with Hot-Rolled Carbon Steel of solid steel for impact resistance. Galvanized to ensure rust resistance of wheeled trolleys. Smooth and noiseless during use, bearings and pins are firmly welded, work stably, Resulting In Incredible Strength and Quality!
• Trolleys SizeSteel plate hole diameter-9/16(14mm); thickness-1/4(6mm).For use with 1-5/8" Wide and All 1-5/8" or Taller Strut Channel.
• Design load280 lbs at 600 rpm; 380 lbs at 300 rpm; 450 lbs at 100 rpm. Break strength: 3969 lbs
• VersatilityYou can use it to install ceiling trolley systems or electric lifts, or use it in your DIY projects, Can use upside down.
• Quality ServiceIf you have any issues with the trolley assembly 2 wheels then just let us know and we will solve it for you within 24 hours to ensure you are completely satisfied.

Specification Product Name: 4 Bearing Trolley Assembly Material: Steel Finish: Zinc Plated Steel Trolleys Size：Steel plate thickness1/4" (6mm)， Steel plate hole diameter: 9/16" (14mm)， Design load: 280 lbs at 600 rpm; 380 lbs at 300 rpm; 450 lbs at 100 rpm. Break strength: 3969 lbs. Heavy Duty Industrial Strength. The Roller trolley is suitable for: all 1-5/8" or higher pillar channels. Trolley Wheel Weight: 477g Advantage Roller Trolley Standard deep groove ball bearing installation is very smooth no noise to it when used. Bearings and pins are firmly welded, work stably, and can be used for a long time. Package included：4 pcs x 4 Wheel Trolley Assembly.